THE NAUTILUS. Vv 
Theringella, n. g. : ; : : : : 30 
Illustrations of new shells ; ; ; 1 
Illustrations of new Cretaceous shells : : 51 
Illustrations of Mexican Melanians 5 - 61 
Japanese Mollusks, notices of new. : , ; 143 
Land mollusca observed in the Gaspé region. : 65 
Land and fresh-water shells of Allegheny County, Pa, , 135 
Land and fresh-water shells of the — Mts. . : ; 85 
Laoma ‘ : . +8, 88, 92 
Latirus aaliseinctns Aldvich, n. Sp. (PL. Iv) : ; 99 
Leptothyra, a synonym of . ; ; 84 
List of Brachiopoda, Pelecypoda, Piosapada, oo Nudi- 
branchiata of Jamaica recent and fossil f 2 103, 113 
Mactra, new species of : : j : : 136 
Mactra catilliformis Conr. ; : : , : : 137 
Mactra dolabriformis Conr. : . ; ; : 138 
Mactra Hemphilli Dall, n. sp. . ‘ : : 157 
Malacological Society of London, : : : : 11 
Mesoden wetherby . F : : : : 6 
Meturoplax Pilsbry, n. “ae : ; ; 107 
Microplax Ad. & Ang. : E , ‘ : : 139 
Mitra lintoidea Aldrich, n.sp. (PILIV) . : : : 97 
Mollusca of Arkansas : ; : : : : : 33 
Monocondylea . : 18 
Murex (Pteronotus) Bata Alarieees D. sp. me IV) ; 98 
Mutelide . : - : 20 
Nassa brunneostoma Beans, Nl. Spas ; 10 
New Cretaceous fossils from the Lower Green Marl of Ng: oT 
New postal ruling. ‘ : . ; : : 58 
New publications : ; : 96, 131 
New Tertiary fossils from Red Bluff NG6: F 97 
New Zealand land and fresh-water mollusk, notes on some. 122 
Notes and news . ; . 11, 24, 35, 59, 84, 93, 130 
Nuttallina, Californian species of the genus : - 133 
‘Olfactory organs of Helix : : : : : 60 
Pachychilus glaphyrus Morelet . ; 62 
Pachychilus glaphyrus var. between Popeouatus peal immanis. 
CPI, Ei fies) 6,6) 63 
Pachychilus glaphyrus awison Pils. (PL. iY on 9, 10). : 62 
Pachychilus glaphyrus potamarchus. (PI. III, fig. 7) , 63 
